The Short Shelf Life of AI Models

October 26, 2024
Yes, your AI models have a “best before” date.

For anyone that comes out of the world of technology, the old school thinking and approach to software development needs to be thrown out. AI is a completely different beast and the models you are thinking about building, training, and using in your business will have a very short shelf life.

This is not the world where you can develop an application, and have that application live on for many years with just straightforward updates and maintenance. AI is evolving rapidly, and you’ll have to deal with changes at a pace you’ve never experienced before.

The Rapid Evolution of AI Models

Think of the AI models that have become antiquated and tiresome over the past 2 years. Even ChatGPT 4 has become last year’s news, never mind 3.5 getting to end-of-life in record time — and everyone is looking beyond 4o.

Putting concept drift, data drift and model collapse aside for the moment. Just the pace of change in new models is astounding and the models you use this year are not going to be the same models you use next year— unless you want the business to fall further behind.

Technical Debt and Lifecycle Management

Technical debt? You are going to be swimming in it unless you have a mature AI Lifecycle Management process — and that includes AI Governance. You need to become best friends with your data and extremely intimate with transformational change in the business.

Forget about downloading off-the-shelf models and training them ad-nauseum. Stop focusing on training and start focusing on inferencing — this is where the money is for the business and not the backroom exercise of train, train, train. This is more experimentation and expensive demoware gone wild.

The New AI Lifecycle

Don’t misunderstand me, you will have to train and keep training — it’s just that your *new* AI lifecycle is going to have to own this process, and you’ll need to automate it fast. You will also need to figure out how to test, test, test and this is going to hurt because unit tests suck in the world of AI. So, get comfortable with behavior testing and the intricate details that go along with that. With AI Governance looming large, your testing and monitoring skills are going to have to be much sharper and deeper than ever before.

Even your version control mindset will need to shift into real-time operations for AI Governance.  No longer can you as a software developer, or a DevOps/MLOps engineer, or a data scientist remain in the comfort of your VCS.  Version control takes on an entirely new life as business outcomes get decided by operational models.

Key Points that Just “Scratch the Surface”

The following points are just starting to scratch the surface of an AI Lifecycle, but they’re important, and are ingredients in developing an AI Governance framework:

  1. Focus on Agentic Workflows.
  2. Figure out how to take advantage of shadow models.
  3. Become experts on your data and retrieval augmentation.
  4. Automate pipelines to adapt quickly and generate operational metadata.
  5. Ensure that end-to-end behavior testing becomes second nature.

Lessons from Experience

At Charli, we have “battle scars” that can prove out the pain that comes with AI. Even our prior experience with Digital Twins proved how difficult the world of AI can be without the right lifecycle in place. This year alone, we’ve switched out and upgraded models so many times it could make someone’s head spin, and we’ve relied heavily on our automation and behavior tests to ensure that outcomes don’t deviate from customer expectations. We’ve even blocked mainstream models (you’ll know their names) because they just can’t make the grade.

Along with the “battle scars”, we also have proof that when done right, AI can be a game changer!

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